An egg slicer is a food preparation utensil used to slice peeled, hard-boiled eggs quickly and evenly. An egg slicer consists of a slotted dish for holding the egg and a hinged plate of wires or blades that can be closed to slice.
It was invented at the beginning of the 20th century by the German (1875-1951) who also invented the bread cutter. The first egg slicers were produced in Berlin-Lichtenberg.